v1.55.0

What's changed

• Bump min go version to 1.26 (#638) — @maxday
• Enable Go 1.27 compatibility & fix serialization test bugs (#637) — @djedward
  • Fixed TestMalformedJson to correctly pass a pointer to json.Unmarshal,
    matching the intended behavior after Go 1.27's JSON library changes.
  • Relaxed error-message matching in tests so both Go 1.27 and earlier versions pass.
  • Hardened flaky integration tests (TestEnableSigterm, TestConcurrencyWithRIE)
    with polling and increased timeouts.
• Add missing userNotFound field to Cognito auth trigger requests (#630) — @anzheyazzz
  • Adds 3 missing userNotFound fields to the Cognito auth trigger request events.
• Pin GitHub Actions to commit SHAs (#623) — @maxday
  • Hardens CI supply-chain security by pinning actions to their SHAs.

Full changelog: v1.54.0...v1.55.0